constraint on dihedral angle formed by 4 points More...

#include <DihedralConstraint.hh>

Inheritance diagram for core::scoring::constraints::DihedralConstraint:

[legend]

Public Member Functions
std::string	type () const override
	Returns a unique string identified for this constraint. Used in several places, including the ConstraintIO class. More...

ConstraintOP	clone () const override
	@breif Perform a deep clone by cloning the func_ pointer held by this DihedralConstraint More...

Size	show_violations (std::ostream &out, pose::Pose const &pose, Size verbose_level, Real threshold=1) const override
	Prints the violations of this constraint to the given std::ostream. What are violations? It's not defined, and it depends on the constraint and the function! also - wtf is threshold? it was defined as a Size in CoordinateConstraint, I don't know which definition is the right one. Documentation would be nice ... More...

void	read_def (std::istream &in, pose::Pose const &pose, func::FuncFactory const &func_factory) override

bool	operator== (Constraint const &other) const override
	possibility to compare constraint according to data and not just pointers More...

bool	same_type_as_me (Constraint const &other) const override
	Determine if the calling class has the same type as the input class, using dynamic casts. This is important in ensuring that two constraints are equal: both this and other must check that the other is the same as it. This is not an optional method and every class should implement it, regaurdless of whether a parent class implements it. More...

Real	score (Vector const &xyz1, Vector const &xyz2, Vector const &xyz3, Vector const &xyz4) const

void	score (func::XYZ_Func const &xyz, EnergyMap const &, EnergyMap &emap) const override
	Calculates a score for this constraint using XYZ_Func, and puts the UNWEIGHTED score into emap. Although the current set of weights currently is provided, Constraint objects should put unweighted scores into emap because the ScoreFunction will do the weighting itself. More...

Real	score (conformation::Conformation const &conformation) const

core::Real	dist (core::scoring::func::XYZ_Func const &xyz) const override
	return the raw "distance" before that distance is handed to the FUNC object More...

void	fill_f1_f2 (AtomID const &atom, func::XYZ_Func const &xyz, Vector &F1, Vector &F2, EnergyMap const &weights) const override
	Fill the f1 and f2 vectors, necessary for considering the derivative this constraint during minimization. (someone please reference Bill Wedermeyer's paper here, as I'm in an airport and can't fill it in myself!) More...

	DihedralConstraint (AtomID const &a1, AtomID const &a2, AtomID const &a3, AtomID const &a4, func::FuncOP func, ScoreType scotype=dihedral_constraint)
	c-tor More...

Size	natoms () const override
	Returns the number of atoms involved in defining this constraint. If the constraint doesn't depend on particular atoms (e.g. a residue type constraint) this function can return zero. More...

ConstraintOP	remap_resid (core::id::SequenceMapping const &seqmap) const override
	apply a resid remapping to this constraint, returns the remapped constraint Does this return an owning pointer to this constraint or a copy? Documentation would be nice. More...

AtomID const &	atom (Size const n) const override
	Returns the AtomID referred to by index. More...

void	show (std::ostream &out) const override
	This method is intended to show the value of the Constraint function evaluated over some reasonable range of values. For example, a constraint between pairs of atoms might show the values of the Constraint function between 4 and 12 angstroms. More...

void	show_def (std::ostream &out, pose::Pose const &pose) const override
	Prints the definition of a Constraint to the given std::ostream, using the given Pose, and the given func::FuncFactory. This method is intended to be overridden by derived classes if they'd like to use the ConstraintIO machinery. It's also not clear why this method takes a Pose, other than to be symmetric with read_def. More...

func::Func const &	get_func () const override
	Returns the func::Func object associated with this Constraint object. More...

ConstraintOP	remapped_clone (pose::Pose const &src, pose::Pose const &dest, id::SequenceMappingCOP map=nullptr) const override
	Copies the data from this Constraint into a new object and returns an OP atoms are mapped to atoms with the same name in dest pose ( e.g. for switch from centroid to fullatom ) if a sequence_mapping is present it is used to map residue numbers .. nullptr = identity mapping to the new object. Intended to be implemented by derived classes. More...

virtual void	score (core::scoring::func::XYZ_Func const &xyz_func, EnergyMap const &weights, EnergyMap &emap) const=0
	Calculates a score for this constraint using XYZ_Func, and puts the UNWEIGHTED score into emap. Although the current set of weights currently is provided, Constraint objects should put unweighted scores into emap because the ScoreFunction will do the weighting itself. More...

virtual Real	score (pose::Pose const &pose) const
	Returns the unweighted score of this constraint computed over the given pose. More...

virtual Real	score (pose::Pose const &pose, EnergyMap const &weights) const
	Returns the weighted score of this constraint computed over the given pose. More...

virtual core::Real	dist (core::scoring::func::XYZ_Func const &) const=0
	return the raw "distance" before that distance is handed to the FUNC object More...

virtual Real	dist (core::pose::Pose const &) const
	return the raw "distance" before that distance is handed to the FUNC object More...

Public Member Functions inherited from core::scoring::constraints::Constraint
	Constraint (ScoreType const &t)
	Constructor for Constraint class. More...

	~Constraint () override
	Virtual destructor. More...

virtual ConstraintOP	clone (func::FuncOP) const
	Clone the constraint, but where a new Func object is to be used instead. More...

virtual utility::vector1< core::Size >	residues () const
	Returns the pose numbers of the residues involved in this constraint, in no particular order. More...

virtual void	read_constraint (std::istream &, core::pose::Pose const &)
	This method is totally redundant with read_def YAY DON'T USE THIS ONE.. Most Constraint classes have not overloaded this one, but read_def ! OL. More...

ScoreType const &	score_type () const
	Returns the ScoreType that this Constraint object will use. More...

virtual void	read_data (std::istream &)
	initialize this Constraint from the given std::istream. It's amazing that there are three functions for doing this inside of Constraint.hh. SO WHAT IS THIS SUPPOSED TO DO ? not overloaded by e.g., AtomPairConstraint or CoordinateConstraint, More...

virtual Real	score (pose::Pose const &pose) const
	Returns the unweighted score of this constraint computed over the given pose. More...

virtual Real	score (pose::Pose const &pose, EnergyMap const &weights) const
	Returns the weighted score of this constraint computed over the given pose. More...

virtual Real	dist (core::pose::Pose const &) const
	return the raw "distance" before that distance is handed to the FUNC object More...

virtual void	setup_for_scoring (core::scoring::func::XYZ_Func const &, ScoreFunction const &) const

virtual void	setup_for_derivatives (core::scoring::func::XYZ_Func const &, ScoreFunction const &) const

virtual void	steal_def (pose::Pose const &)
	take coordinates, distances, angles, etc from given pose More...

std::string	to_string () const
	Convenience function, returns the results of show() as a string. Not to be overriden by derived classes. More...

bool	operator!= (Constraint const &other) const
	Inequality operator to test whether two constraints are not functionally identical. More...

virtual core::Size	choose_effective_sequence_separation (core::kinematics::ShortestPathInFoldTree const &sp, numeric::random::RandomGenerator &)

virtual core::Size	effective_sequence_separation (core::kinematics::ShortestPathInFoldTree const &) const

Protected Member Functions
	DihedralConstraint (DihedralConstraint const &src)
	Explicit copy constructor so that derived classes will recieve a deep copy of the Func this class contains. More...

func::FuncCOP	func () const
	const access to func More...

void	set_func (func::FuncOP f)
	set func More...

Private Member Functions
Real	func (Real const theta) const

Real	dfunc (Real const theta) const

Static Private Member Functions
static void	helper (Vector const &M, Vector const &v, Vector const &w, Vector &F1, Vector &F2)

static void	p1_cosine_deriv (Vector const &p1, Vector const &p2, Vector const &p3, Vector const &p4, Real &x, Vector &F1, Vector &F2)

static void	p2_cosine_deriv (Vector const &p1, Vector const &p2, Vector const &p3, Vector const &p4, Real &x, Vector &F1, Vector &F2)

Private Attributes
AtomID	atom1_

AtomID	atom2_

AtomID	atom3_

AtomID	atom4_

func::FuncOP	func_

Additional Inherited Members
Public Types inherited from core::scoring::constraints::Constraint
typedef id::AtomID	AtomID

Detailed Description

constraint on dihedral angle formed by 4 points

Constructor & Destructor Documentation

◆ DihedralConstraint() [1/2]

core::scoring::constraints::DihedralConstraint::DihedralConstraint	(	AtomID const &	a1,
		AtomID const &	a2,
		AtomID const &	a3,
		AtomID const &	a4,
		func::FuncOP	func,
		ScoreType	scotype = `dihedral_constraint`
	)

inline

c-tor

Referenced by clone().

◆ DihedralConstraint() [2/2]

core::scoring::constraints::DihedralConstraint::DihedralConstraint ( DihedralConstraint const & src )

protected

Explicit copy constructor so that derived classes will recieve a deep copy of the Func this class contains.

Member Function Documentation

◆ atom()

id::AtomID const & core::scoring::constraints::DihedralConstraint::atom ( Size const index ) const

overridevirtual

Returns the AtomID referred to by index.

Note that this function isn't actually used by the constraint scoring machenery. If you're calling it on a generic Constraint (as opposed to specifically on a derived class) you're probably doing something wrong.

Implements core::scoring::constraints::Constraint.

References atom1_, atom2_, atom3_, and atom4_.

Referenced by fill_f1_f2(), remapped_clone(), show(), and show_def().

◆ clone()

ConstraintOP core::scoring::constraints::DihedralConstraint::clone ( ) const

overridevirtual

@breif Perform a deep clone by cloning the func_ pointer held by this DihedralConstraint

Implements core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References DihedralConstraint().

◆ dfunc()

Real core::scoring::constraints::DihedralConstraint::dfunc ( Real const theta ) const

private

References func_.

Referenced by fill_f1_f2().

◆ dist() [1/3]

Real core::scoring::constraints::Constraint::dist

return the raw "distance" before that distance is handed to the FUNC object

If such a distance doesn't make sense for this constraint, just return 0

◆ dist() [2/3]

virtual core::Real core::scoring::constraints::Constraint::dist

return the raw "distance" before that distance is handed to the FUNC object

If such a distance doesn't make sense for this constraint, just return 0

◆ dist() [3/3]

core::Real core::scoring::constraints::DihedralConstraint::dist ( core::scoring::func::XYZ_Func const & ) const

overridevirtual

return the raw "distance" before that distance is handed to the FUNC object

If such a distance doesn't make sense for this constraint, just return 0

Implements core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom1_, atom2_, atom3_, atom4_, and protocols::kinmatch::xyz().

◆ fill_f1_f2()

void core::scoring::constraints::DihedralConstraint::fill_f1_f2	(	AtomID const &	atom,
		func::XYZ_Func const &	xyz_func,
		Vector &	F1,
		Vector &	F2,
		EnergyMap const &	weights
	)		const

overridevirtual

Fill the f1 and f2 vectors, necessary for considering the derivative this constraint during minimization. (someone please reference Bill Wedermeyer's paper here, as I'm in an airport and can't fill it in myself!)

Implements core::scoring::constraints::Constraint.

References atom(), atom1_, atom2_, atom3_, atom4_, dfunc(), core::scoring::constraints::Constraint::score_type(), and protocols::kinmatch::xyz().

◆ func() [1/2]

func::FuncCOP core::scoring::constraints::DihedralConstraint::func ( ) const

protected

const access to func

References func_.

Referenced by core::scoring::constraints::NamedDihedralConstraint::read_def(), core::scoring::constraints::NamedDihedralConstraint::remap_resid(), core::scoring::constraints::NamedDihedralConstraint::remapped_clone(), score(), and core::scoring::constraints::NamedDihedralConstraint::show_def_nopose().

◆ func() [2/2]

Real core::scoring::constraints::DihedralConstraint::func ( Real const theta ) const

private

References func_.

◆ get_func()

func::Func const& core::scoring::constraints::DihedralConstraint::get_func ( ) const

inlineoverridevirtual

Returns the func::Func object associated with this Constraint object.

Reimplemented from core::scoring::constraints::Constraint.

References func_.

◆ helper()

void core::scoring::constraints::DihedralConstraint::helper	(	Vector const &	M,
		Vector const &	v,
		Vector const &	w,
		Vector &	F1,
		Vector &	F2
	)

staticprivate

Referenced by p1_cosine_deriv(), and p2_cosine_deriv().

◆ natoms()

Size core::scoring::constraints::DihedralConstraint::natoms ( ) const

inlineoverridevirtual

Returns the number of atoms involved in defining this constraint. If the constraint doesn't depend on particular atoms (e.g. a residue type constraint) this function can return zero.

Note that this function isn't actually used by the constraint scoring machenery. If you're calling it on a generic Constraint (as opposed to specifically on a derived class) you're probably doing something wrong.

Implements core::scoring::constraints::Constraint.

Referenced by show(), and show_def().

◆ operator==()

bool core::scoring::constraints::DihedralConstraint::operator== ( Constraint const & other ) const

overridevirtual

possibility to compare constraint according to data and not just pointers

Implements core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom1_, atom2_, atom3_, atom4_, func_, core::scoring::constraints::Constraint::same_type_as_me(), same_type_as_me(), and core::scoring::constraints::Constraint::score_type().

◆ p1_cosine_deriv()

void core::scoring::constraints::DihedralConstraint::p1_cosine_deriv	(	Vector const &	p1,
		Vector const &	p2,
		Vector const &	p3,
		Vector const &	p4,
		Real &	x,
		Vector &	F1,
		Vector &	F2
	)

staticprivate

References helper().

◆ p2_cosine_deriv()

void core::scoring::constraints::DihedralConstraint::p2_cosine_deriv	(	Vector const &	p1,
		Vector const &	p2,
		Vector const &	p3,
		Vector const &	p4,
		Real &	x,
		Vector &	F1,
		Vector &	F2
	)

staticprivate

References helper().

◆ read_def()

void core::scoring::constraints::DihedralConstraint::read_def	(	std::istream &	in,
		pose::Pose const &	pose,
		func::FuncFactory const &	func_factory
	)

overridevirtual

one line definition "Dihedral atom1 res1 atom2 res2 atom3 res3 atom4 res4 function_type function_definition"

Reimplemented from core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom1_, atom2_, atom3_, atom4_, core::id::AtomID::atomno(), func_, core::conformation::membrane::in, core::pose::named_atom_id_to_atom_id(), core::scoring::func::FuncFactory::new_func(), core::scoring::constraints::ConstraintIO::parse_residue(), core::pose::Pose::size(), and core::scoring::constraints::TR().

◆ remap_resid()

ConstraintOP core::scoring::constraints::DihedralConstraint::remap_resid ( core::id::SequenceMapping const & ) const

overridevirtual

apply a resid remapping to this constraint, returns the remapped constraint Does this return an owning pointer to this constraint or a copy? Documentation would be nice.

Reimplemented from core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom1_, atom2_, atom3_, atom4_, core::id::AtomID::atomno(), func_, and core::id::AtomID::rsd().

◆ remapped_clone()

ConstraintOP core::scoring::constraints::DihedralConstraint::remapped_clone	(	pose::Pose const &	src,
		pose::Pose const &	dest,
		id::SequenceMappingCOP	map = `nullptr`
	)		const

overridevirtual

Copies the data from this Constraint into a new object and returns an OP atoms are mapped to atoms with the same name in dest pose ( e.g. for switch from centroid to fullatom ) if a sequence_mapping is present it is used to map residue numbers .. nullptr = identity mapping to the new object. Intended to be implemented by derived classes.

Copies the data from this Constraint into a new object and returns an OP atoms are mapped to atoms with the same name in dest pose ( e.g. for switch from centroid to fullatom ) if a sequence_mapping is present it is used to map residue numbers .. NULL = identity mapping to the new object. Intended to be implemented by derived classes.

Reimplemented from core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom(), atom1_, atom2_, atom3_, atom4_, core::pose::atom_id_to_named_atom_id(), func_, core::pose::named_atom_id_to_atom_id(), core::id::AtomID::rsd(), core::id::NamedAtomID::rsd(), core::scoring::constraints::Constraint::score_type(), and core::id::AtomID::valid().

◆ same_type_as_me()

bool core::scoring::constraints::DihedralConstraint::same_type_as_me ( Constraint const & other ) const

overridevirtual

Determine if the calling class has the same type as the input class, using dynamic casts. This is important in ensuring that two constraints are equal: both this and other must check that the other is the same as it. This is not an optional method and every class should implement it, regaurdless of whether a parent class implements it.

Implements core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

Referenced by operator==().

◆ score() [1/6]

Real core::scoring::constraints::DihedralConstraint::score ( conformation::Conformation const & conformation ) const

References atom1_, atom2_, atom3_, atom4_, score(), and core::conformation::Conformation::xyz().

◆ score() [2/6]

virtual void core::scoring::constraints::Constraint::score

Calculates a score for this constraint using XYZ_Func, and puts the UNWEIGHTED score into emap. Although the current set of weights currently is provided, Constraint objects should put unweighted scores into emap because the ScoreFunction will do the weighting itself.

Referenced by score(), and core::scoring::constraints::NamedDihedralConstraint::score().

◆ score() [3/6]

void core::scoring::constraints::DihedralConstraint::score	(	func::XYZ_Func const &	xyz_func,
		EnergyMap const &	weights,
		EnergyMap &	emap
	)		const

overridevirtual

Calculates a score for this constraint using XYZ_Func, and puts the UNWEIGHTED score into emap. Although the current set of weights currently is provided, Constraint objects should put unweighted scores into emap because the ScoreFunction will do the weighting itself.

Implements core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom1_, atom2_, atom3_, atom4_, score(), core::scoring::constraints::Constraint::score_type(), and protocols::kinmatch::xyz().

◆ score() [4/6]

Real core::scoring::constraints::Constraint::score

Returns the unweighted score of this constraint computed over the given pose.

◆ score() [5/6]

Real core::scoring::constraints::Constraint::score

Returns the weighted score of this constraint computed over the given pose.

◆ score() [6/6]

Real core::scoring::constraints::DihedralConstraint::score	(	Vector const &	xyz1,
		Vector const &	xyz2,
		Vector const &	xyz3,
		Vector const &	xyz4
	)		const

References func().

◆ set_func()

void core::scoring::constraints::DihedralConstraint::set_func ( func::FuncOP f )

protected

set func

References func_.

Referenced by core::scoring::constraints::NamedDihedralConstraint::read_def().

◆ show()

void core::scoring::constraints::DihedralConstraint::show ( std::ostream & ) const

overridevirtual

This method is intended to show the value of the Constraint function evaluated over some reasonable range of values. For example, a constraint between pairs of atoms might show the values of the Constraint function between 4 and 12 angstroms.

Reimplemented from core::scoring::constraints::Constraint.

References atom(), func_, natoms(), and core::conformation::membrane::out.

◆ show_def()

void core::scoring::constraints::DihedralConstraint::show_def	(	std::ostream &	,
		pose::Pose const &
	)		const

overridevirtual

Prints the definition of a Constraint to the given std::ostream, using the given Pose, and the given func::FuncFactory. This method is intended to be overridden by derived classes if they'd like to use the ConstraintIO machinery. It's also not clear why this method takes a Pose, other than to be symmetric with read_def.

Reimplemented from core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

References atom(), core::conformation::atom_id_to_named_atom_id(), func_, natoms(), core::conformation::membrane::out, and type().

◆ show_violations()

Size core::scoring::constraints::DihedralConstraint::show_violations	(	std::ostream &	out,
		pose::Pose const &	,
		Size	,
		Real	threshold = `1`
	)		const

overridevirtual

Prints the violations of this constraint to the given std::ostream. What are violations? It's not defined, and it depends on the constraint and the function! also - wtf is threshold? it was defined as a Size in CoordinateConstraint, I don't know which definition is the right one. Documentation would be nice ...

Reimplemented from core::scoring::constraints::Constraint.

References atom1_, atom2_, core::chemical::ResidueType::atom_name(), core::id::AtomID::atomno(), core::pose::Pose::conformation(), func_, core::conformation::membrane::out, core::pose::Pose::residue_type(), core::id::AtomID::rsd(), and core::conformation::Conformation::xyz().

◆ type()

std::string core::scoring::constraints::DihedralConstraint::type ( ) const

inlineoverridevirtual

Returns a unique string identified for this constraint. Used in several places, including the ConstraintIO class.

Reimplemented from core::scoring::constraints::Constraint.

Reimplemented in core::scoring::constraints::NamedDihedralConstraint.

Referenced by show_def().

Member Data Documentation

◆ atom1_

AtomID core::scoring::constraints::DihedralConstraint::atom1_

private

Referenced by atom(), dist(), fill_f1_f2(), operator==(), read_def(), remap_resid(), remapped_clone(), score(), and show_violations().

◆ atom2_

AtomID core::scoring::constraints::DihedralConstraint::atom2_

private

Referenced by atom(), dist(), fill_f1_f2(), operator==(), read_def(), remap_resid(), remapped_clone(), score(), and show_violations().

◆ atom3_

AtomID core::scoring::constraints::DihedralConstraint::atom3_

private

Referenced by atom(), dist(), fill_f1_f2(), operator==(), read_def(), remap_resid(), remapped_clone(), and score().

◆ atom4_

AtomID core::scoring::constraints::DihedralConstraint::atom4_

private

Referenced by atom(), dist(), fill_f1_f2(), operator==(), read_def(), remap_resid(), remapped_clone(), and score().

◆ func_

func::FuncOP core::scoring::constraints::DihedralConstraint::func_

private

Referenced by dfunc(), func(), get_func(), operator==(), read_def(), remap_resid(), remapped_clone(), set_func(), show(), show_def(), and show_violations().

The documentation for this class was generated from the following files:

src/core/scoring/constraints/DihedralConstraint.hh
src/core/scoring/constraints/DihedralConstraint.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DihedralConstraint() [1/2]

◆ DihedralConstraint() [2/2]

Member Function Documentation

◆ atom()

◆ clone()

◆ dfunc()

◆ dist() [1/3]

◆ dist() [2/3]

◆ dist() [3/3]

◆ fill_f1_f2()

◆ func() [1/2]

◆ func() [2/2]

◆ get_func()

◆ helper()

◆ natoms()

◆ operator==()

◆ p1_cosine_deriv()

◆ p2_cosine_deriv()

◆ read_def()

◆ remap_resid()

◆ remapped_clone()

◆ same_type_as_me()

◆ score() [1/6]

◆ score() [2/6]

◆ score() [3/6]

◆ score() [4/6]

◆ score() [5/6]

◆ score() [6/6]

◆ set_func()

◆ show()

◆ show_def()

◆ show_violations()

◆ type()

Member Data Documentation

◆ atom1_

◆ atom2_

◆ atom3_

◆ atom4_

◆ func_